<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1.0, shrink-to-fit=no,user-scalable=0">
    <title>see</title>
  </head>
  <body style="margin: 0px">
    <div id="app"></div>
    <!-- built files will be auto injected -->
    <script>
      window.onresize = setHtmlFontSize;
      function setHtmlFontSize(){
        const htmlWidth = document.documentElement.clientWidth || document.body.clientWidth;
        const htmlDom = document.getElementsByTagName('html')[0];
        htmlDom.style.fontSize = htmlWidth / 10 + 'px';
      };
      setHtmlFontSize();
    </script>
  </body>
</html>
